Variable Interest Entities (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 1,515	$ 2,583
Property, plant, and equipment, net	30,526	29,264
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	8,732	13,160
Debt and finance lease obligations, less current portion	10,574	9,178
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Cash and cash equivalents	192	110
Other current assets	739	689
Property, plant, and equipment, net	1,326	1,192
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	559	483
Debt and finance lease obligations, less current portion	28	31
Diamond Green Diesel Holdings LLC (DGD) [Member]
Assets
Cash and cash equivalents	174	85
Other current assets	635	567
Property, plant, and equipment, net	772	706
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	63	66
Debt and finance lease obligations, less current portion	1	0
Central Mexico Terminals [Member]
Assets
Cash and cash equivalents	0	0
Other current assets	37	33
Property, plant, and equipment, net	454	381
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	490	409
Debt and finance lease obligations, less current portion	0	0
Other VIEs [Member]
Assets
Cash and cash equivalents	18	25
Other current assets	67	89
Property, plant, and equipment, net	100	105
Liabilities
Current liabilities, including current portion of debt and finance lease obligations	6	8
Debt and finance lease obligations, less current portion	$ 27	$ 31

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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